Distraction pins for fluid aspiration

a technology of dissection pins and fluid aspiration, which is applied in the direction of osteosynthesis devices, applications, manufacturing tools, etc., can solve the problems of increasing the procedure time and exposing the patient to more risks
US20110112436A1Inactive Publication Date: 2011-05-12SPINESMITH PARTNERS
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
SPINESMITH PARTNERS
Publication Date
2011-05-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

A distraction pin for aspiration of a bone fluid and marrow. The pin includes an elongate metallic shaft of generally uniform diameter having a proximate end. The proximate end of the shaft includes an adaptor (attachment means) and a longitudinal bore extending from the distal end to the proximate end. The distal end of the shaft includes threading adapted for screwing the shaft into bone. The distal end also includes at least two fenestrations transverse to the longitudinal bore.
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Description

[0001] This application claims priority to U.S. Provisional Application Ser. No. 61 / 258,994, filed Nov. 6, 2009, which is incorporated in its entirety herein by reference.BACKGROUND OF INVENTION

[0002] This invention pertains to distraction pins capable of fluid aspiration.

[0003] During a typical spinal surgery, two or more caspar pins are screwed into vertebral bodies. A retractor, or similar instrument, is then attached to two or more caspar pins, allowing a surgeon to distract the vertebral bodies to accommodate a surgical procedure (e.g. spinal fusion, disc replacement, etc.). Distraction pins are typically used in cervical procedures, but may also be used in other lumbar or orthopedic procedures.

[0004] Recent studies have shown that there are a high percentage of stem cells present in the bone marrow in the cervical vertebral bodies of the spine. However, in order to remove this bone marrow, a surgeon must create a separate opening through the vertebral body and use a syringe or oth...

Claims

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